GB/T 12459  偏心异径管 DN 450×10-Sch40RE5螺ewn40-=4.�

DN 450×10-Sch40 RE5螺ewn40-=4.�

SO50-25RF(B)-160RF4.-6.4/RF/7F4c600RF406h

PL150(B)-10 RF f1=4 D=8

WN50-150 RF L=19.05 S=

5M1300-1.600-600rfpRFewn40-=4.�

WN25(A)-40 RF 33.7sch8ju02009)-16RF26 RFh

WN100(B)-40GS.hgcad.c0F10=3/u00e2/u0082/u0

wn350b